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Service Guide

                                                                     

SP-S110 

 
 
 
 
 
 

SERVICE GUIDE 

 

 

 

 

                                                               

KEY SYSTEM CORP 

 

 

 

 
 

 

                   

             

Version 1.0         Page 1 of 19 

Содержание Genius SP-S110

Страница 1: ...Service Guide SP S110 SERVICE GUIDE KEY SYSTEM CORP Version 1 0 Page 1 of 19...

Страница 2: ...Service Guide SP S110 Revision History Version Date Change 1 0 1 08 2007 Version 1 0 Page 2 of 19...

Страница 3: ...ted 7 1 2 2 No sound 8 1 2 3 Noise 9 1 2 4 LED indicators no light when working 10 1 2 5 Volume switch no use 11 1 2 6 Headphone jack no use 12 Chapter 2 Specification 13 Chapter 3 Block diagram 14 Ch...

Страница 4: ...e Do not place the speakers in environments subject to mist smoke vibration excessive dust salty or greasy air or other corrosive gases and fumes Do not drop or jolt the speakers Do not allow anything...

Страница 5: ...sion 1 0 Page 5 of 19 Receiving Defective speaker from customers Verifying problems Proceeding Necessary tests Return the speakers with proper repacking to customers Analyzing possible Malfunction cau...

Страница 6: ...2 Problems Item Problem Description 1 2 1 No power LED indicator unlighted 1 2 2 No sound 1 2 3 Noise 1 2 4 LED indicators no light when working 1 2 5 Volume switch no use 1 2 6 Headphone jack no use...

Страница 7: ...ded sequence to rectify the problems 1 2 1 No power LED indicator unlighted Problem Analyze and identify the causes Solutions Version 1 0 Page 7 of 19 Dry soldered secondary wire of transformer Defect...

Страница 8: ...Analyze and identify the causes Solutions Version 1 0 Page 8 of 19 No sound PCB damaged dry soldered or short circuited Power supply for IC TDA2822 abnormal or damaged Repair resolder or replace Repai...

Страница 9: ...of 19 Check and replace Repair or replace Or VR poor connected Or Vibration from too long lead wire of driver units or damaged short circuited driver units Repair 1 Filter capacitor not work dry sold...

Страница 10: ...cators no light when working Problem Analyze and identify the causes Solutions Version 1 0 Page 10 of 19 Check and replace 1 LED1 damaged or PCB copper foil broken 2 LED1 R7 defective or dry soldered...

Страница 11: ...ice Guide SP S110 1 2 5 Volume switch no use Problem Analyze and identify the causes Solutions Version 1 0 Page 11 of 19 Check and replace 1 PCB dry soldered or broken 2 VR1 defective Volume switch no...

Страница 12: ...Service Guide SP S110 1 2 6 Headphone jack no use Problem Analyze and identify the causes Solutions Version 1 0 Page 12 of 19 Headphone jack no use Poor connection in PS1 JACK Check and replace...

Страница 13: ...TDH 4 LOW Hz 140 20 FREQUENCY RESPONSE 1KHZ 3dB HIGH KHz 60 5 5 S N RATED O P POWER 57 55 dB 6 CHANNEL UNBALANCE REF O P POWER dB 0 2 0 5 7 CHANNEL SEPARATION ONE CHANNEL INPUT OTHER CHANNEL SHORTING...

Страница 14: ...Service Guide SP S110 Version 1 0 Page 14 of 19 Chapter 3 Block diagram...

Страница 15: ...Service Guide SP S110 Active speaker Version 1 0 Page 15 of 19 Chapter 4 Exploded view...

Страница 16: ...Service Guide SP S110 Passive speaker Version 1 0 Page 16 of 19 Chapter 4 Exploded view...

Страница 17: ...500032 7 SP S110 back of active speaker EP40510097 8 screw 3 18BA EP24010016 9 screw 3 18PA EP24100108 10 knob EP40711179 11 button EP40711180 12 PCBA EP1P110007 Passive speaker Ref NO Description Par...

Страница 18: ...rate static protecting bag in order to avoid static electricity Reliable external packing is also very important when sending the PCB assembly by post in that it would avoid unnecessarily lost or dama...

Страница 19: ...Service Guide SP S110 Version 1 0 Page 19of 19 Chapter 7 Schematic diagram...

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